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AC gas discharge display screen and its control method

A technology of gas discharge and display screen, used in static indicators, cold cathode tubes, instruments, etc., can solve the problems of high voltage amplitude and low control reliability, and achieve the effect of improving reliability

Inactive Publication Date: 2005-01-12
四川世纪双虹显示器件份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this control method is that there must be a control pulse with a high voltage amplitude in the standby state, resulting in low control reliability.

Method used

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  • AC gas discharge display screen and its control method
  • AC gas discharge display screen and its control method
  • AC gas discharge display screen and its control method

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Embodiment Construction

[0024] In order to understand the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0025] figure 1 Shown is a scheme of the AC gas discharge display screen structure proposed by the present invention; its image unit includes four display electrodes, and the distance L between the two middle display electrodes 1 greater than the distance L between each central display electrode and its adjacent edge display electrodes 2 and L 3 .

[0026] figure 2 Shown is another scheme of the AC gas discharge display screen structure proposed by the present invention; its image unit includes four display electrodes, and the distance L between the two middle display electrodes 1 greater than the distance L between each central display electrode and its adjacent edge display electrodes 2 and L 3 . At this time, L 2 =L 3 .

[0027] image 3 It shows the voltage graph of the...

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Abstract

This invention discloses an AC gas discharge display screen structure and its control method. Distance L1 between two middle display electrodes of the image unit is bigger than that between the middle and adjacent edge display electrodes L2, and L3, with the relation ship, 5Lx>L1>1.2L2 and 5L3>L1>1.2L3, so ensuring the low discharge ignition voltage between the display electrodes and setting up the optimum exciting discharge conditions. According to this invented method, the optimum conditions of the accumulated charges in the dielectric layer can be set up during the preparation and display states, so reducing the control voltage and increasing the control reliability of the display screen.

Description

technical field [0001] The invention belongs to the technical field of gas discharge, and in particular relates to an AC gas discharge display screen and a control method thereof, which can be used in a display system containing an AC gas discharge display screen (PDP), including a video module of a color TV. Background technique [0002] According to the literature search conducted by the applicant, the prior art materials related or close to this patent application include the following: [0003] 1. A known AC gas discharge display (PDP) has two dielectric substrates, one of which has a pair of dielectric substrates covered with a dielectric layer, and has parallel display electrodes facing flanges (French patent application for invention No. 2629265 HOI J 17 / 49 1989). The disadvantage of this structure is that the reliability of the control is not high due to the non-uniform electric field in the intersecting area of ​​the display electrode and the control electrode. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G09G3/288H01J17/49
Inventor 郭彩林钱慰宗曹瑞林A·N·依弗留什金N·N·列维娜V·G·薩马洛托夫
Owner 四川世纪双虹显示器件份有限公司